This is a 100% reliable method that works on every Mate 60 Pro unit (Standard, Pro, Pro+, and RS Ultimate Design).
If you are trying to fix a bricked Mate 60 Pro, you actually need (Volume Up + Power) or a USB-C OTG recovery cable, not Fastboot mode. How to Open Fastboot Mode on HUAWEI Mate 60 Pro
To restart the phone normally:
If the phone is frozen or unresponsive: Press and hold the for 15-20 seconds to force a hard reboot. This is a 100% reliable method that works
On Linux, you may also need to create udev rules for HUAWEI devices. On Linux, you may also need to create
For the Mate 60 Pro, the most reliable method involves connecting the device to a PC while it is powered off.
If you only need to factory reset or clear cache, use the (Volume Up + Power) instead—it is safer and designed for average users.